The "Oz The Great and Powerful" star wore an all-black outfi,t save for some crisp white sneakers, while her "That '70s Show" costar sported a light cardigan, khakis, and a backwards navy baseball cap.

Spending some time getting to know the family, Ashton Kutcher walked with Mila Kunis and her parents in London on Saturday (May 18).

The "Two and a Half Men" star wore a red hoodie, gray jacket, and blue jeans as he held hands with his "That '70s Show" costar, who sported a black jacket, ripped black jeans, and matching knee-high boots.